Global Market: Japan bond yields ease as yen strength tempers BOJ tightening bets

Japanese government bond yields at the shorter end of the curve fell on Wednesday as the strengthening yen reduced expectations that the Bank of Japan would pursue aggressive interest-rate hikes, according to a report by Reuters.

The two-year JGB yield, which is particularly sensitive to expectations for BOJ policy, declined 1 basis point to 1.835%. The five-year yield fell 1.5 basis points to 2.22%. Bond yields move inversely to prices.

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According to the report, Japan's yield curve has shifted in recent sessions as investors assess the impact of the yen's sharp appreciation against the U.S. dollar on the central bank's policy outlook.

A stronger yen can ease inflationary pressure by lowering the cost of imported goods, potentially reducing the need for the BOJ to accelerate monetary tightening. The currency's recent gains have therefore prompted investors to reassess expectations for the pace of future rate hikes.

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Japanese government bonds rallied sharply last week, particularly at the super-long end, as investors unwound curve-steepening positions following the yen's strong gains. Trading has been more mixed this week, with some investors selling longer-dated bonds while weighing the government's plans for increased spending.

Market expectations for continued curve steepening have also weakened, with investors seeing fewer catalysts for a sustained rise in long-term yields.

Concerns that the BOJ could fall behind the curve in responding to inflation have eased, while strong demand for retail Japanese government bonds could help limit the increase in future bond issuance. The government has been seeking to expand retail JGB purchases as part of efforts to diversify its investor base.

At the longer end, the 30-year JGB yield edged up 0.5 basis point to 3.965% on Wednesday, highlighting the mixed performance across maturities as investors continued to assess currency movements, fiscal spending and the BOJ's policy trajectory.